Division Markings For Electrical Equipments

  Article 500 Hazardous Locations, Classes I, II, and III, Divisions 1 and 2 Articles 500 through 504 cover the requirements for electrical and electronic equipment and wiring for all voltages in Class I, Divisions 1 and 2; Class II, Divisions 1 and 2; and Class III, Divisions 1 and 2 locations where fire or […]

Difference between CSA and FM approval

FM: FACTORY MUTUAL The Factory Mutual Approvals Division determines the safety and reliability of equipment, materials or services utilized in hazardous locations in the United States and elsewhere. For a product to receive FM approval, it must meet two criteria. Initially, it must perform satisfactorily, reliably and repeatedly as applicable for a reasonable life expectancy. […]


The IECEx System is a set of four separate Schemes (of which one relates to Ex Equipment) that were developed to satisfy the calls from the Ex industry for international recognition and coordination of the outputs of various certification systems and test laboratories (house) with different practises with different levels of expertise. The IECEx scheme […]

Meaning of “U” and “X” characters in the EX marking in explosion proof electrical equipment

Many information must be reported on the marking plate of equipment and components addressed to hazardous areas which often cause several doubts and also disagreements among technicians and inspections supervisors. The EN 60079-0 standard brings the general Rules about electrical equipment for explosive atmospheres due to the gas presence. The information which must be reported […]


ATEX or IECEx  certified products are essential in any location that may contain, or has activities that produce explosive or potentially explosive atmospheres. There are a number of places that could be defined as being in an explosive atmosphere, some more obvious such as an oil rig, and others that you might not think of […]


To all customers  Using  metric threads,  Please be advised that the part numbers have changed for some configurations    Please see below-attached sheet  regarding the new part numbers  

Understanding Differences ATEX code

The ATEX code is an alphanumeric string that denotes the certification achieved by the product along with the environment and conditions it is suitable for. The code can be broken down into a prefix, for example: CE0518 Ex II 2 G and suffix, for example: Ex d IIC T6 Gb. Products may carry more than […]